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#include "area_shape.hpp"
#include "../drape/shader_def.hpp"
#include "../drape/attribute_provider.hpp"
#include "../std/bind.hpp"
namespace df
{
AreaShape::AreaShape(vector<m2::PointF> const & triangleList, AreaViewParams const & params)
: m_params(params)
{
m_vertexes.reserve(triangleList.size());
#if __cplusplus > 199711L
void (vector<Point3D>::* fn)(Point3D &&) =
#else
void (vector<Point3D>::* fn)(Point3D const &) =
#endif
&vector<Point3D>::push_back;
for_each(triangleList.begin(), triangleList.end(),
bind(fn, &m_vertexes, bind(&Point3D::From2D, _1, params.m_depth)));
}
void AreaShape::Draw(dp::RefPointer<dp::Batcher> batcher, dp::RefPointer<dp::TextureSetHolder> /*textures*/) const
{
dp::GLState state(gpu::SOLID_AREA_PROGRAM, dp::GLState::GeometryLayer);
state.SetColor(m_params.m_color);
dp::AttributeProvider provider(1, m_vertexes.size());
{
dp::BindingInfo info(1);
dp::BindingDecl & decl = info.GetBindingDecl(0);
decl.m_attributeName = "a_position";
decl.m_componentCount = 3;
decl.m_componentType = gl_const::GLFloatType;
decl.m_offset = 0;
decl.m_stride = 0;
provider.InitStream(0, info, dp::MakeStackRefPointer((void *)&m_vertexes[0]));
}
batcher->InsertTriangleList(state, dp::MakeStackRefPointer(&provider));
}
} // namespace df
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